<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>提交表单</title>
</head>
<body>
<!-- 通用提交按钮 --> 
<input type="submit" value="Submit Form">
<!-- 自定义提交按钮 --> 
<button type="submit">Submit Form</button>
<!-- 图片按钮 --> 
<input type="image" src="graphic.gif">
</body>
</html>